Abstract—

The results of experimental determination of the wear intensity coefficient and the friction coefficient in the steel-bronze BrNBT and steel–molybdenum coating contact are shown. To determine the tribotechnical parameters of the coating, experiments were carried out on a Tribometer TRB automated friction machine of the Swiss company ANTON PAAR according to the ball–disk scheme. It is shown that the average coefficient of friction for a sample with a molybdenum coating is almost two times lower than for a sample without a coating. With the help of the SURTRONIC 25 profile meter, a profilogram was obtained to determine the coefficient of wear intensity. At a run of 50,000 m, the coefficient of wear intensity for a sample made of BrNBT material without coating at a maximum contact voltage of 507 MPa is 2.48 × 10^–4 mm³/m, and for a sample with a molybdenum coating was 1.98 × 10^–5 mm³/m, which is 12.5 times less. Recommendations for the use of a molybdenum antifriction coating are given.

中文翻译：

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通过应用钼涂层改善青铜零件的摩擦技术参数

摘要——

显示了钢-青铜 BrNBT 和钢-钼涂层接触中磨损强度系数和摩擦系数的实验测定结果。为了确定涂层的摩擦技术参数，在瑞士 ANTON PAAR 公司的 Tribometer TRB 自动摩擦机上根据球盘方案进行了实验。结果表明，具有钼涂层的样品的平均摩擦系数几乎比没有涂层的样品低两倍。在 SURTRONIC 25 轮廓仪的帮助下，获得轮廓图以确定磨损强度系数。50,000 m 行程中，无涂层 BrNBT 材料样品在最大接触电压 507 MPa 下的磨损强度系数为 2.48 × 10 ^–4mm ³ /m，而具有钼涂层的样品为 1.98 × 10 ^–5 mm ³ /m，减少了 12.5 倍。给出了使用钼减摩涂层的建议。